A Byzantine Case

In 1453 the collapse of Byzantine Orthodox Christianity's most sacred City, Constantinople, radiated shocks through the entirety of the Christian world. Symbolically, the Islamic Ottoman Turks had made Santa Sophia, the most famous Christian church in the world, into a mosque. Any doubts that there was a now an Ottoman Empire poised to conquer the Christian West were dispelled. But the history around the collapse itself was surrounded with loose ends and oddities.